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Mortgage Servicing Rights - MSR Amortization Expense (Details) - Mortgage
$ in Thousands
Dec. 31, 2021
USD ($)
Servicing Assets at Amortized Value [Line Items]  
2022 $ 6,104
2023 5,665
2024 5,186
2025 4,663
2026 4,095
Thereafter 10,280
Total estimated amortization expense $ 35,993